package com.example.znyt.manage;

import cn.hutool.core.io.FileUtil;
import com.example.znyt.config.CosClientConfig;
import com.qcloud.cos.COSClient;
import com.qcloud.cos.model.COSObject;
import com.qcloud.cos.model.GetObjectRequest;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.model.PutObjectResult;
import com.qcloud.cos.model.ciModel.persistence.PicOperations;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.GetMapping;

import javax.annotation.Resource;
import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * @Description 通用对象存储类
 * @Date 2025/6/17 08:24
 * @Created by 12336
 */
@Component
public class CosManager {
    @Resource
    private CosClientConfig cosClientConfig;

    @Resource
    private COSClient cosClient;


    /**
     * 上传对象(附带图片信息)
     *
     * @param key  唯一键
     * @param file 文件
     */
    public PutObjectResult putObject(String key, File file) {
        PutObjectRequest putObjectRequest = new PutObjectRequest(cosClientConfig.getBucket(), key,
                file);
        //对图片进行处理
        PicOperations picOperations = new PicOperations();
        //1.表示返回原图信息
        picOperations.setIsPicInfo(1);
        List<PicOperations.Rule> rules = new ArrayList<>();
        //图片压缩（转成webp格式)
        String webpKey = FileUtil.mainName(key) + ".webp";
        PicOperations.Rule compressRule = new PicOperations.Rule();
        compressRule.setRule("imageMogr2/format/webp");
        compressRule.setBucket(cosClientConfig.getBucket());
        compressRule.setFileId(webpKey);
        rules.add(compressRule);
        //缩略图处理
         PicOperations.Rule thumbnailRule = new PicOperations.Rule();
         thumbnailRule.setBucket(cosClientConfig.getBucket());
         String thumbnailkey =  FileUtil.mainName(key) + "_thumbnail." + FileUtil.getSuffix(key);
         //缩放规则，如果要求大于原图，则不进行处理
        thumbnailRule.setFileId(thumbnailkey);
         thumbnailRule.setRule(String.format("imageMogr2/thumbnail/%sx%s>",128,128));
         rules.add(thumbnailRule);
        //构造处理参数
        picOperations.setRules(rules);
        putObjectRequest.setPicOperations(picOperations);
        return cosClient.putObject(putObjectRequest);
    }

    /**
     * 下载对象
     * @param key
     * @return
     */
    public COSObject getObject(String key){
        GetObjectRequest getObjectRequest = new GetObjectRequest(cosClientConfig.getBucket(), key);
        return cosClient.getObject(getObjectRequest);
    }

    /**
     * 删除对象
     *
     * @param key 唯一键
     */
    public void deleteObject(String key) {
        cosClient.deleteObject(cosClientConfig.getBucket(), key);
    }
}
